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Canton Updates/1220ab...b84f
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Canton Update

Canton Ledger Transaction

Canton
EVM block
Canton
Block #8,145

This Gateway_FinalizeBlock transaction built EVM block #8,145 through the gateway-build-block external call and committed it with 2 transactions.

Block Lifecycle
block #8,145
EVM block settled on CantonGateway · Gateway_FinalizeBlock
0ms
250ms
500ms
750ms
1.0s
1.1s

Block planned

Producer plans block #8145 (block timestamp)
—

Gateway_FinalizeBlock

Block timestamp → commit, incl. the gateway-build-block call for block #8145

880ms
880ms

Committed on Canton

Participant commits update 1220ab60c0…97b84f
—

Imported to the execution layers

Importer applies block #8145 from GatewayHead

—
0ms
250ms
500ms
750ms
1.0s
1.1s
EVM
Canton
External call
Total
Complete880ms
880ms

Measured from on-chain timestamps only: the EVM block timestamp, which the producer chose when it planned the block (whole seconds), and the record time (commit) of the Gateway_FinalizeBlock transaction; a commit that reads slightly before the block timestamp (rounding) shows as 0. The gateway-build-block external call runs inside that transaction and is not timed on its own; the import into the execution layers follows the commit and its time is not observable here, so those steps are markers without a duration.

Settled EVM Block
Block
#8,145
Block Hash
0x83c927c8...e2350a51
Block Timestamp
Nov 2, 2026, 23:53:40 UTC
Transactions
0xd50fd7f5...48d9f73e0xa253...30e5 → 0xfed6...00f0Success
0x7d0b261a...c34a22dd0x975d...e4d1 → 0x3309...dddeSuccess
Overview
Update ID
1220ab60c0...a797b84f
Offset
26541
Record Time
Nov 2, 2026, 23:53:40 UTC
Command ID
gw-64c9a5594...ee93659d
Synchronizer ID
devnet::1220...dbf9acf2
Events (6)
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:001153e6c4...ad986c51
Choice: Archive
Payload
{}
exercisedbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:
005353da47...272138b1
Choice: Gateway_FinalizeBlock
Payload
{ "headCid": "00c7d55a5479fe2531419181220df9c05c0efce12097461765c109ccb0f831090aca121220db11e55e8589abb5e1f307f2ff85dacbf73dac7f7cbb37168cb9ac96eee2583c", "block": { "timestamp": { "unpack": "1793663620." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f872830e4a2502843b9aca0084b2d05e0083030d409433091b38cb21d32ac79c58271a1654a72e26ddde80…7c57a6145dfe532e2788a3a060e0eecb36632f152d108e7e9ac47ac03cf269a1b37dec86a095cd6afebf18e8 (117 bytes)", "02f879830e4a258216d2851d67c309e6851d67c309ee82520894fed6698f110684f2253b213d896755b22301…4db8c3b52c8d091a7efe2fa0057c43f042711f8219e965a209fa159a640d983c2a623f64c2182d81a643399f (124 bytes)" ], "epilogue": [], "indexing": [], "rotation": null, "refunds": [] }, "nativePlan": { "credits": [], "collections": [], "settlement": { "tag": "ZthSettlement", "value": {} } }, "tokenPlan": { "routes": [], "wrapperRegistrations": [], "originalRegistrations": [], "metadataUpdates": [], "mints": [], "releases": [], "wrapperCollections": [], "backingInputs": [], "custodyMerges": [], "originalCollections": [], "consolidations": [], "consolidationAccepts": [], "consolidationWithdrawals": [] } }
exercisedf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:00c7d55a54...eee2583c
Choice: GatewayHead_Finalize
Payload
{ "input": { "parentHash": "5a7a89fffd8e601f6bf61be6d6ce28bbf0d9af0d94504d530dc41059ee93659d", "timestamp": { "unpack": "1793663620." }, "feeRecipient": "00000000000000000000000000000000000000fe", "prelude": [], "transactions": [ "02f872830e4a2502843b9aca0084b2d05e0083030d409433091b38cb21d32ac79c58271a1654a72e26ddde80…7c57a6145dfe532e2788a3a060e0eecb36632f152d108e7e9ac47ac03cf269a1b37dec86a095cd6afebf18e8 (117 bytes)", "02f879830e4a258216d2851d67c309e6851d67c309ee82520894fed6698f110684f2253b213d896755b22301…4db8c3b52c8d091a7efe2fa0057c43f042711f8219e965a209fa159a640d983c2a623f64c2182d81a643399f (124 bytes)" ], "epilogue": [], "withdrawals": [], "logFilter": { "addresses": [ "00000000000000000000000000000000000a7e00", "50d0eea5a51b1d262b295f9978ed2e2e02a5a5a3", "f52aba48533156e0180d6f8e6d9a474fa06a90cf" ], "topics0": [] }, "inboxScan": { "gateway": "00000000000000000000000000000000000a7e00", "inboxInitCodeHash": "704985d1ae018e94b3983882895f10ada607c5793c727fdacc1e48b35d65e92c", "runtimeTemplateHash": "f5300aee21aca6c1c1489b43d775454f1392a77df3058f0b2a82e065edbdf345", "immutables": [ { "offset": "278", "size": "32" }, { "offset": "373", "size": "32" }, { "offset": "651", "size": "32" }, { "offset": "758", "size": "32" }, { "offset": "120", "size": "32" } ], "saltOffset": "120", "nativeTopics": [ "8d6cc7bec951dd15d11af1a0ac06bbb8d190c277b0d7ce020da1ffc89b8655e2" ], "tokens": [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "a4923804940ba9accefe23402ef1f793bf9cd473", "d238579f5a5c184fe423d68dcf245c2e86ca60e9" ] } } }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Block:Block
Contract:009eb265ab...bff2a890
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "hash": "83c927c81004aae44b71534851aed8f931fbd80bda2625230a63af41e2350a51", "beaconState": { "balances": [ [ { "unpack": "0." }, { "unpack": "0." } ] ], "withdrawalIndex": "0" }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] }, "gateway": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }
createdf34c7bd9ec0c052bdc5622cf5ab34cf12bc64869829037ee4d7540b189ea7085:Zenith.Evm.Gateway:GatewayHead
Contract:0076c6eb45...ba55cf4b
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "blockCid": "009eb265ab4d25f17ac8fd3f66de1c44de3c1fbca4fe81535cca6d50b38a46e48eca121220e9a3d7e731ca0d6601704f8aa72df8ae5982dcc9c7b3d598e6c6b664bff2a890", "hash": "83c927c81004aae44b71534851aed8f931fbd80bda2625230a63af41e2350a51", "number": "8145", "timestamp": "1793663620", "nextWithdrawalIndex": "5", "committed": { "headerRlp": "f90277a05a7a89fffd8e601f6bf61be6d6ce28bbf0d9af0d94504d530dc41059ee93659da01dcc4de8dec75d…0000000000000000000000a0e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (634 bytes)", "envelopes": [ "02f872830e4a2502843b9aca0084b2d05e0083030d409433091b38cb21d32ac79c58271a1654a72e26ddde80…7c57a6145dfe532e2788a3a060e0eecb36632f152d108e7e9ac47ac03cf269a1b37dec86a095cd6afebf18e8 (117 bytes)", "02f879830e4a258216d2851d67c309e6851d67c309ee82520894fed6698f110684f2253b213d896755b22301…4db8c3b52c8d091a7efe2fa0057c43f042711f8219e965a209fa159a640d983c2a623f64c2182d81a643399f (124 bytes)" ], "withdrawals": [], "requests": [], "blobHashes": [] }, "observers": { "map": [ [ "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", {} ] ] } }
createdbc022469b1fa28afd38705e2e015bb822585bea2bbdd8d3e7a8933c17050a6b7:Zenith.Gateway.Finalize:Gateway
Contract:000b9376b7...8e24a42c
Payload
{ "chainId": { "zeo": "zeo::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "version": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979" }, "deploymentId": "64c9a5594fdc9ca81066357699ac446bee6936b5a7f52c88238ddfbb82ac0979", "deploymentCid": "0071e5cc368ecfcd19992d2e141e4029742709aca0baaa02e0ec340e4040f5c689ca121220e48eea45aba814eb0e5186eb92759c4541e5d586e32f373cca056340b5a941a4", "currentHeadCid": "0076c6eb45f980977fbe5e62b6a53ad76e6b7c3eda6dd7dcda7b5c6fad2fd375b7ca121220e8fb106f46c7033b07722fc5e8180923abbd9d014ef49ef196fdb3b9ba55cf4b", "operator": "operator::1220b64aeea8abe20728a6f60d66d6a57212ca9ba2f8d3b7a45bf8dd4de6932eeff2", "params": { "capacity": { "native": { "laneGas": "5760000", "laneEntries": "64", "withdrawals": "512", "collections": "64", "scanTokens": "0" }, "token": { "laneGas": "8000000", "laneEntries": "64", "withdrawals": "0", "collections": "32", "scanTokens": "1024" }, "indexing": { "laneGas": "1880000", "laneEntries": "4", "withdrawals": "0", "collections": "0", "scanTokens": "0" } }, "laneMaxFeePerGas": "1000000000000.", "deployInboxGasBound": "470000", "rotateLaneGasBound": "40000", "rotateRecoveryGasBound": "40000", "native": { "tag": "ZthNative", "value": { "wzthInstrument": { "admin": "r-635d45b53c561ec7a462ab7a0511468ae5df3443eb2add2b161255bb95b612ad::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "id": "erc20:50d0eea5a51b1d262b295f9978ed2e2e02a5a5a3" }, "wzthRegistrar": "r-635d45b53c561ec7a462ab7a0511468ae5df3443eb2add2b161255bb95b612ad::12204a88976da02f8d43c894dbbbf1d606d82c06d7f73504ec2aa030e88530667974", "genesisSupplyWei": "11002000000000000000000000." } }, "nativeGasBounds": { "collectNative": "90000" }, "tokenGasBounds": { "registerWrapper": "830000", "setWrapperMetadata": "100000", "registerOriginal": "340000", "mint": "110000", "release": "100000", "collectWrapper": "90000", "collectOriginal": "120000" } }, "keys": { "lane": "24075d3562802b90a3aaa567f1bb8ec1fbab83bf", "recovery": "61295be4a97cb7861dfdbede9c8b34d27030897e" }, "nativeState": { "tag": "ZthNativeState", "value": { "evmSupplyWei": "11002004249999996716488134.", "matchedSinkWei": "15600000002000000000.", "wzthOutstandingWei": "11350000000000000000." } }, "tokenState": { "registered": [ [ "285fb55cf094a2a9e80c26c0d726f1c9b86b86f2", "CantonOrigin" ], [ "4feb549aa9608fa13c2e9366df7dd38b267e0d46", "CantonOrigin" ], [ "a4923804940ba9accefe23402ef1f793bf9cd473", "CantonOrigin" ], [ "d238579f5a5c184fe423d68dcf245c2e86ca60e9", "EvmOrigin" ] ] } }